1. “Nunda sandstone” depositional event in the pipe creek Black Shale, South Wales-Varysburg area, New York;Baird,1999
2. Bedding attitudes as a sequence stratigraphy proxy: a case study from borehole images, integrated ocean drilling program expedition 313, site M28;Basile;Geosphere,2014
3. Geology of Tioga and Bradford counties;Berg,1981
4. Stratigraphic Correlation Chart of Pennsylvania, Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey, General Geology Report 75, 4th ser;Berg,1993
5. Deltas;Bhattacharya,2010